Inspect and sign PDFs locally.

Inspect embedded PDF signatures and sign PDFs with your signing certificate in the browser. Files and keys stay local.

Local processing in your browser No storage on Convexio servers Supports GDPR-compliant use
Embedded PDF signature

Adds an embedded digital PDF signature with your signing certificate.

Adds proof of signing time from a timestamp authority. The authority must allow browser requests.

Detached OpenPGP signature

The generated signature covers the original PDF bytes. This is not an embedded PDF signature made with a signing certificate.

Verify signature

The generated signature covers the original PDF bytes. This is not an embedded PDF signature made with a signing certificate.

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